Lagunillas is about 70km southeast of Santiago in the Cajon del Maipo (the Maipo Canyon).

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Among the names you will find on Chilean wine labels are the Aconcagua, Maipo, Cachapoal and Colchagua valleys.

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The problem was reportedly caused by flash floods in the Andes, which muddied the river Maipo and forced the closure of water processing plants.

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